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From "Sandro Martini (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (PIVOT-861) Memory leak: Window icon ImageListenerList retains reference to closed windows, preventing garbage collection
Date Thu, 26 Jul 2012 16:01:34 GMT

    [ https://issues.apache.org/jira/browse/PIVOT-861?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13423171#comment-13423171
] 

Sandro Martini commented on PIVOT-861:
--------------------------------------

First version of the fix: Committed revision 1366060.

I have seen that there should be some other memory leak (but much smaller), tomorrow I'll
try to look.

                
> Memory leak: Window icon ImageListenerList retains reference to closed windows, preventing
garbage collection
> -------------------------------------------------------------------------------------------------------------
>
>                 Key: PIVOT-861
>                 URL: https://issues.apache.org/jira/browse/PIVOT-861
>             Project: Pivot
>          Issue Type: Bug
>          Components: wtk, wtk-media
>    Affects Versions: 2.0.2
>         Environment: Windows XP, Java 1.7.0_05
>            Reporter: David Keen
>            Assignee: Sandro Martini
>            Priority: Minor
>             Fix For: 2.0.3
>
>         Attachments: Pivot861.launch, leaktest.zip
>
>
> When a window or dialog is opened which has an icon, after it is closed it cannot be
garbage collected because a reference is retained to it through the icon.  Removing the icon
resolves the issue.
> As far as I've investigated, the issue appears to the in the ImageListenerList which
each Image contains.  I've done a heapdump of my application and used the IBM HeapAnalyzer
which shows this list containing a reference to the window/dialog through the ImageViewSkin,
but I don't know the Pivot internals well enough to see where or how it should be released.
> I'll attach a simple test application to show the issue.

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